Combined spreader, concentrator, and amalgamator.



K.1 SBNNL COMBINED SPREADER, GONOENTRATOR, AND AMALGAMATOR.

APPLICATION FILED JULY 22, 1912.

Patented Apr. 22, 1913.

S PATENT OFFICE;

KARLI SENN, OF KAIIAMEDA, CALIFORNIA.

COMBINED} SPREADER, l CONCENTRATOR, AND ,AMALGAMATOR.

fornia, have invented new and useful lImprovements in CombinedSpreader-Sp Concentrators, and Amalgamators, of which the following is aspecification.I

The present invention relates to pulp treating apparatus, andparticularly to a combined spreading, concentrating; and amalgamatingapparatus.

The object ofthe present lnvention is to provide a pulpdistributer,adaptable for cooperation with1 a concentrating, machine;

the distributer involving means for spreading the pulp, means foramalgamating free gold, or other amalgamablemetal, and to concentrate apart of the pulp from thetailings before the pulp ;is delivered to thesubsequent concentrating machine. a

The invention consists of an apparatus adapted for cooperation with an,amalgaa movement to produce a pan+like action, upon: the structure2,wh1ch as mounted thereon,

mating machine, having lateral I or orbital movement, wherein the pulpbeing handled can be evenly: spread, concentrated and partlyamalgamated} a a 1 a Figure 1 is a central, vertical section through theapparatus as applied to a concentrating machine. a F ig, 2 :is aa detailplan view a showing staggering plates. 1'

My present invention comprises a tank,

box, or other structure2, of suitableilength, width and depthwwhich isadapted to be mounted upon1 a 1 concentrating machine, a, portion oftheframe of which 1s indlcated at 3, and over which runs a belt lJmovingupwardly in a slightly inclined plane.

The concentrating machine, including the frame and belt, preferably hasan orbital so that pulp fed in from a pipe 5 will, when deposited uponan inclined plate 6, flow downwardly toward and :against staggeringplates 7 which project upwardly fromithe plate 6; the latterterminatingsomewhat short of one of the ends of the box 2,,the pulpfalling over the discharge end 8 i of the plate onto a diaphragm orplate 9 which is inclined downwardly and oppositely to the plate 6, soth t the water and pulp falling to the plate Iwillifio-wtoward the rearend 10 of the box which is providediwith a plurality of regulating,gates 111,3 covering apertures 12 through which water andpulpSpecification ofiLetters Patent. Patented Apr;22,1913, Application filedJuly 22,1912. Serial No. 710,812.

maydischarge onto an apron 13 projecting i from the rear end of the box,and havingva depression or riflie 14: for the purpose of f collectingsuchlheavy articles or concentrates ]ion the pulp as may have escapedfrom the Near the lower end 30f theconcentratinga plate 9 is provided adischarge opening115,1- through which the concentrates settling; on 5the plate 19 will discharge onto theibottom a 16 of the box, whichpreferably is provided 1 with a copper plate mercury coated, so that; 1as particles ofgold and other material flow down, the inclined bottom16, such, particles 70, as will amalgamate, as floured mercury, arecaught by the mercury on the copper plate 17 the concentrates: 1 finallydischarging, from the lowermost end of the box 2 through apertures18,5which arecoveredby regulatparatus, such as indicatedsat 3, which hasM11801 orbital movement; this being known to cause the rapid settling ofconcentrates and values in pulp. If ipulp be fed through the=pipe 5intothe concentrating box 2, the peculiar orbital movement of this boxrapidly segre-: 35 gates the concentrates and the values from; thegangue; the latter issuing through the n discharge apertures 12, theconcentrates discharging frcmithe apertures or aperture 15 onto thecopper plate 17,1 on which particles 90, maybe amalgamated and then theconcenw trates are ifinally discharged through the apsertures 18 ontothe upwardly \travelin and orbitally gyrated belt or conveyer 4:. n theevent that 1 a portion of, the concentrates should ibe discharged ontothe apron 13, these will be caughtbythe riflie 14 which is provided withsuitable apertures 14 through? which the escaped concentrates will, fallto l the table belt ,4 and be carried upwardly mo 1 thereon n a n Theefficiency of the present apparatusis 1 produced because of the peculiarconditions, 1 of separation whereln the ore is primarily concentrated:in the box 2 before it reaches l discharged from the apron13 at aposition i on the belt 4: considerably lower than the position atwhichlthe concentrates are deposw 'ited 011 61116 belt, so that clearwater fed to the belt surface from? a pipe 20 ,will flow over thedeposited concentrates vwith less chance of carrylnghthese downwardbecause they are, instead of beingintimately comlabor of the clear waterfed to the belt 4 is greatly reduced and consequently a betterconcentration is produced because of the preliminary concentration orseparation of the concentrates from the lighter gangue because of theemployment of the bOXQ.

Occasionally, for the purposeof a cleanup, the staggeringplate 6, theconcentrating plate 9, and the amalgamating plate 17, may be removedfrom the box 2, and when I cleaned, readily replaced.

'- in a mass.

The utility of the apron 13 with its rifl'le o'r riflfles '14 is that byit fines may be recovered,

it being well known that it is very difficult to recover fine particlesof values in a concen trating apparatus where the pulpis treated heaviervalues are concentrated and the very light particles may be carried awayin the gangue, but an opportunity for the ,collection of the escapingfine values is obtained by the use of the apron 13 'over which thetailings pass. Such fine values as are 001- lect-ed in the riflie 14 aredepositedon the belt 4 at a position farther up on the belt than thetailings are, so thatthe collected fines are not subjected to mixturewith the tailings and therefore can not be washed away with and by them.I I I Having-thus described my invention, what I claim and desire tosecure by Letters Pat- I 1, The combination in orehandling appak ratus,of a plate forspreading pulp, a 0011-.

centrating plate arranged below the spreader plate, a container in whichsaid plates are Copies 01 this patent may'be obtained for By the presentapparatus themounted, said container having a discharge at one end forconcentrates and a dlscharge at the opposite end fortailings, andaconcentrating surface upon, which the gangue is deposited at oneposition from the container and the concentrates :deposited at a; higherpoint from the container andwhereon .theore is further concentrated.

2. The combination. in concentrating apparatus of a container, means formovlng the container, said container having a plate on which one isdeposited and plates proj ect-" ing in staggered positions from theplateto distribute the ore, ja concentrating surface onto which the oredischarges from the spreading plate, saidconcentr'ating plate having anaperture adjacentits lower end through which concentrates issue, meansat the rear end of the container and upon the concentratingplate forcontrolling the dis charge or pulp from the container, and

means at the opposite end of thecontainer for controlling the dischargeof concenon which ore is deposited and plates. pro? jectingin staggeredpositions from the plate 7 to distribute the ore, a concentratingsurface onto which the. ore discharges from thespreading plate, saidconcentrating plate I 4 having; an aperture adjacentrits lower endthrough which concentrates issue, means at the rear end of the containerand upon the concentrating plate for controlling the dis charge or pulpfrom the container, means at the opposite end'of the container for con-rtrolling the, discharge of concentrates from below theconcentratingplate, and a mugamating devlce, arranged below the concen tratingplateand ove'riwhioh the material I issuing from theaperture intheconcentrat ing plate travels.

In testimony whereof I have hereunto set my hand intthe presence of twosubscribing witnesses. p 1 I v KARLSENN.

Witnesses:

G. HJSTRONG GENEVIEVE S. DoNEL-IN;

five centsleacm'by addressing. the Commissioner of rete l its, IWashington, 1). Cl

trates from below the concentrating plate. 8. The combination inconcentrating ap paratus of a container, means for moving} thecontainer, said container having a plate

